Can heating and cooling occur simultaneously in the same building?
Each heat pump unit can perform only one function at a time, but a larger building (with more than one unit) can provide heating to one spot and cooling to another. This is a common application in schools and other institutional facilities, which have a diverse load. The practice also increases the efficiency of the overall system because the heat removed from room A can be transferred to room B, reducing the need for the ground loop to provide both heating and cooling (and thereby reducing the total installed cost).